Fiz a instalação do less com sucesso, e testei o mesmo no prompt, e funcionou. Mas ao testar no terminal do Visual Studio Code e no PowerShell apareceu a seguinte menssagem:
lessc : File C:\Users...\AppData\Roaming\npm\lessc.ps1 cannot be loaded. The file C:\Users...\AppData\Roaming\npm\lessc.ps1 is not digitally signed. You cannot run this script on the current system. For more information about running scripts and setting execution policy, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170. At line:1 char:1
- lessc
~- CategoryInfo : SecurityError: (:) [], PSSecurityException
- FullyQualifiedErrorId : UnauthorizedAccess